11725674137 has 4 divisors (see below), whose sum is σ = 12235486080. Its totient is φ = 11215862196.

The previous prime is 11725674133. The next prime is 11725674179. The reversal of 11725674137 is 73147652711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11725674137 - 2² = 11725674133 is a prime.

It is a super-2 number, since 2×11725674137² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11725674133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254905937 + ... + 254905982.

It is an arithmetic number, because the mean of its divisors is an integer number (3058871520).

Almost surely, 2^11725674137 is an apocalyptic number.

It is an amenable number.

11725674137 is a deficient number, since it is larger than the sum of its proper divisors (509811943).

11725674137 is an equidigital number, since it uses as much as digits as its factorization.

11725674137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509811942.

The product of its digits is 246960, while the sum is 44.

The spelling of 11725674137 in words is "eleven billion, seven hundred twenty-five million, six hundred seventy-four thousand, one hundred thirty-seven".